Adding script to cleanup sample output from json consumer

scripts/cleanup_stdout_json_consumer_out.sh

@@ -0,0 +1,48 @@
+#!/bin/bash
+
+set -e
+
+source ./scripts/util.sh
+
+if [ "$#" -ne 1 ]; then
+  echo "Usage: $0 <input_file>"
+  exit 1
+fi
+
+input_file="$1"
+
+if [ ! -f "$input_file" ]; then
+  echo "Error: File '$input_file' not found!"
+  exit 1
+fi
+
+output_file="${input_file%.txt}.json"
+clean_output_file="${output_file%.json}_clean.json"
+
+# Remove escape characters before quotes in JSON property names
+# Using 'sed' to replace '\"' with '"'
+sed -i 's/\\"/"/g' "$input_file"
+
+# Run the jq command to create an array of JSON objects.
+# The input file usually looks like:
+# {...}
+# {...}
+# And we want this to look like:
+# [{...},{...}]
+# To be valid JSON.
+jq -s '.' "$input_file" > "$output_file"
+
+# Now we need to transform a msg string to json object for even better results.
+# Recursively clean the "msg" property in each object using jq.
+# Attempts to parse the msg content as JSON (fromjson?). If parsing fails, the original content is kept (// .).
+jq 'walk(if type == "object" and has("msg") then .msg |= (fromjson? // .) else . end)' "$output_file" > "$clean_output_file"
+
+# Removed unused $output_file
+rm -rf $output_file
+
+if [ $? -eq 0 ]; then
+  echo "Successfully cleaned up '$input_file' to '$clean_output_file'"
+else
+  echo "Error: Failed to process input file"
+  exit 1
+fi